**About the first such incident in the US history.** It was like another documentary film that I saw one last week. But this time it was an even bigger scale. This, the original event took place exactly 50 years ago and first of its kind. Since then hundreds of similar events have been recorded. Many of them were made into films, but I don't remember this one was ever turned into one. This is about a raged gunman on the college campus, where many people got killed and injured. A shocking incident, even cops did not know how to handle it at first. So, the film reveals one of the most horrific…